CN220997494U - Food bag air valve - Google Patents
Food bag air valve Download PDFInfo
- Publication number
- CN220997494U CN220997494U CN202322542777.8U CN202322542777U CN220997494U CN 220997494 U CN220997494 U CN 220997494U CN 202322542777 U CN202322542777 U CN 202322542777U CN 220997494 U CN220997494 U CN 220997494U
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- China
- Prior art keywords
- valve
- air
- connecting ring
- mounting table
- food bag
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- 235000013305 food Nutrition 0.000 title claims abstract description 66
- 238000005086 pumping Methods 0.000 claims abstract description 34
- 238000000605 extraction Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000009461 vacuum packaging Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Packages (AREA)
Abstract
The utility model relates to a food bag air valve, which comprises a valve seat and a valve cover arranged on the valve seat, wherein a deformable soft valve plate is arranged between the valve seat and the valve cover, a mounting table protruding downwards is arranged on the valve seat, an air pumping cavity is formed between the mounting table and the valve cover, a first air pumping hole is arranged in the center of the mounting table, a second air pumping hole is arranged in the center of the valve cover, a convex column capable of moving up and down is arranged at the lower end of the soft valve plate, and the convex column is abutted against the first air pumping hole and used for controlling the opening and closing of the first air pumping hole; the soft valve plate is also provided with a through hole for allowing air to pass through. The utility model has good sealing performance, stable structure and difficult looseness or falling off caused by external pressure.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a food bag air valve.
Background
The food vacuum food bag extraction valve is a device for food vacuum food bags, which is used for extracting air in the food bags, thereby creating a vacuum environment. This process is commonly referred to as vacuum packaging of food products and helps to extend the shelf life of the food product, prevent oxidation, reduce bacterial growth, and maintain the quality and freshness of the food product.
The air valve in the market has poor sealing performance, air reflux is easy to generate after sealing, and the vacuum environment inside the package is not easy to maintain; meanwhile, the internal structure is not stable enough, and some parts are easy to wear or damage, and particularly in the case of frequent use, the air valve can be loosened or fall off, so that the sealing effect of the food bag is affected. Some air valves require complex operating steps and the packaging process is cumbersome.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide the food bag air valve which has good sealing performance, is stable in structure and is not easy to loosen or fall off due to the influence of external pressure.
In order to solve the technical problems, the food bag air valve comprises a valve seat and a valve cover arranged on the valve seat, wherein the bottom surface of the valve seat is attached to a food bag, a deformable soft valve plate is arranged between the valve seat and the valve cover, a mounting table protruding downwards is arranged on the valve seat, an air pumping cavity is formed between the mounting table and the valve cover, a first air pumping hole is arranged in the center of the mounting table, a second air pumping hole is arranged in the center of the valve cover, a convex column capable of moving up and down is arranged at the lower end of the soft valve plate, and the convex column is abutted to the first air pumping hole and used for controlling the opening and closing of the first air pumping hole; the soft valve plate is also provided with a through hole for allowing air to pass through.
The valve cover is characterized in that a first connecting ring is arranged on the bottom surface of the valve cover and is abutted to the side wall of the mounting table, so that the valve cover is connected to the mounting table.
The soft valve plate edge is equipped with the second go-between of downwardly extending, be equipped with the third go-between on the mount table, the second go-between is pegged graft between first go-between and third go-between.
The outer side of the first air extraction hole is provided with a fourth connecting ring, the fourth connecting ring is abutted to the outer wall of the convex column, and the third connecting ring is arranged between the fourth connecting ring and the side wall of the mounting table.
The soft valve plate comprises a convex ring which protrudes downwards, the convex ring is arranged between the third connecting ring and the fourth connecting ring, and the through hole is formed in the convex ring.
The outer wall of the first connecting ring is provided with a first convex rib.
The novel valve is characterized in that a second convex rib is arranged on one side of the outer wall of the fourth connecting ring, a third convex rib is arranged at the upper end of the fourth connecting ring, the soft valve plate is tightly matched with the valve cover through the third convex rib, and the lower end face of the second connecting ring is abutted to the mounting table.
The side wall of the first connecting ring is provided with a fourth convex rib and a fifth convex rib, and the first convex rib is abutted between the fourth convex rib and the fifth convex rib.
The bottom surface of the mounting table is provided with an air guide groove for guiding air.
The soft valve plate is made of silica gel.
In the use of the present utility model,
The beneficial effects brought by the utility model are as follows:
The novel food bag has good sealing performance, can adapt to pressure change, can prevent external air from entering the food bag, and is beneficial to prolonging the quality guarantee period of food and keeping the freshness of the food.
The novel stable in structure of use, each subassembly closely links to each other through multiple protruding muscle and go-between, is difficult for receiving external pressure to influence and become flexible or drop.
The novel food packaging machine is easy to use, can be matched with various food packaging equipment for use, and has wide applicability.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of another angle structure of the present utility model.
Fig. 3 is a cross-sectional view of example 1.
Fig. 4 is a schematic structural view of the valve seat of embodiment 1.
Fig. 5 is a cross-sectional view of example 2.
Fig. 6 is a schematic view of the structure of the valve seat of example 2.
Fig. 7 is a schematic structural view of the flexible valve sheet of the present utility model.
FIG. 8 is a schematic view of another angle of the flexible valve sheet according to the present utility model
Fig. 9 is a schematic structural view of the valve cover of the present utility model.
Fig. 10 is an enlarged view of a in fig. 5.
In the figure: 1-valve seat; 2-a valve cover; 3-a soft valve plate; 4-a mounting table; 5-pumping the air cavity; 6-a first air pumping hole; 7-a second air pumping hole; 8-convex columns; 9-through holes; 10-a first connection ring; 11-a second connecting ring; 12-a third connecting ring; 13-a fourth connecting ring; 14-a convex ring; 15-a first convex rib; 16-second ribs; 17-a third rib; 18-fourth ribs; 19-fifth ribs; 20-an air guide groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
According to the food bag air valve shown in fig. 1, 2, 3 and 8, the food bag air valve of the embodiment comprises a valve seat 1 and a valve cover 2 arranged on the valve seat 1, wherein the bottom surface of the valve seat 1 is attached to a food bag, a deformable soft valve plate 3 is arranged between the valve seat 1 and the valve cover 2, a mounting table 4 protruding downwards is arranged on the valve seat 1, an air pumping cavity 5 is formed between the mounting table 4 and the valve cover 2, a first air pumping hole 6 is arranged in the center of the mounting table 4, a second air pumping hole 7 is arranged in the center of the valve cover 2, a convex column 8 capable of moving up and down is arranged at the lower end of the soft valve plate 3, and the convex column 8 is abutted to the first air pumping hole 6 and used for controlling the opening and closing of the first air pumping hole 6; the soft valve plate 3 is also provided with a through hole 9 for allowing air to pass through. When air is required to be pumped, the convex column 8 is moved upwards by deforming the soft valve plate 3, the first air pumping hole 6 is opened, and air in the food bag is pumped out through the first air pumping hole 6, the through hole 9 and the second air pumping hole 7 in sequence, so that a vacuum environment is created, and the freshness of food is prolonged. The food bag air valve has stable structure, the valve cover 2 and the soft valve plate 3 are not easy to fall off, and meanwhile, effective circulation of air can be ensured.
As shown in fig. 3 and 9, a first connecting ring 10 is provided on the bottom surface of the valve cover 2, and the first connecting ring 10 abuts against the side wall of the mounting table 4, so that the valve cover 2 is connected to the mounting table 4. The valve cover 2 can be firmly fixed on the mounting table 4 by the structure, so that the valve cover 2 is prevented from loosening or falling off in the use process, and the tightness of the air valve is ensured.
According to fig. 4 and 7, the edge of the soft valve plate 3 is provided with a second connecting ring 11 extending downwards, the mounting table 4 is provided with a third connecting ring 12, and the second connecting ring 11 is inserted between the first connecting ring 10 and the third connecting ring 12. By means of the structure, the components of the air valve can be firmly connected together to adapt to external pressure changes and ensure normal operation of the air valve, and stability and durability of the air valve can be improved.
The outer side of the first air suction hole 6 is provided with a fourth connecting ring 13, the fourth connecting ring 13 is abutted on the outer wall of the convex column 8, and the third connecting ring 12 is arranged between the fourth connecting ring 13 and the side wall of the mounting table 4, so that the soft valve plate 3 is firmly connected between the mounting table 4 and the valve cover 2, and displacement and deflection are not easy to generate.
The soft valve plate 3 comprises a convex ring 14 protruding downwards, the convex ring 14 is arranged between the third connecting ring 12 and the fourth connecting ring 13, and the through hole 9 is arranged on the convex ring 14. The convex ring 14 improves the deformation capability of the flexible valve plate 3, is easier to adapt to pressure change, and the through hole 9 on the convex ring 14 can effectively control the circulation of gas, thereby realizing the air extraction operation of the air valve.
The outer wall of the first connecting ring 10 is provided with a first convex rib 15, one side of the outer wall of the fourth connecting ring 13 is provided with a second convex rib 16, the upper end of the fourth connecting ring 13 is provided with a third convex rib 17, the soft valve plate 3 and the valve cover 2 are tightly matched through the third convex rib 17, and the lower end face of the second connecting ring 11 is abutted to the mounting table 4. The arrangement of the convex ribs can strengthen the tightness of the air valve and ensure that air cannot leak out of the gaps.
The bottom surface of the mounting table 4 is provided with an air guide groove 20 for guiding air, and the air guide groove 20 can effectively control the air flow in the vacuum packaging process, so that the freshness of food is maintained.
The flexible valve sheet 3 is made of silica gel, and the material is generally elastic and durable, and can provide good sealing performance, so as to help maintain the vacuum environment inside the package.
When the embodiment is used, firstly, food is filled into the food bag, and the opening of the food bag is ensured to be in a sealed state. The gas valve is mounted at the opening of a food bag or container. It is ensured that the lower surface of the valve cover 2 is attached to the food bag, and the opening of the food bag is aligned with the first air suction hole 6. The air extraction equipment is connected to the second air extraction hole 7 to extract air outwards, the pressure at the upper end of the soft valve plate 3 is rapidly reduced at the moment to deform the soft valve plate, the convex column 8 on the soft valve plate 3 moves upwards to open the second air extraction hole 7, and air in the food bag is extracted through the first air extraction valve, the through hole 9 and the second air extraction valve in sequence. This process creates a near vacuum environment that removes gases from the interior of the package. Once the air extraction is completed, the pressure at the lower end of the soft valve plate 3 is far smaller than that at the upper end, so that the convex column 8 on the soft valve plate 3 moves downwards and is abutted on the first extraction valve, and the first extraction valve is closed, thereby preventing external air from entering.
According to the food bag air valve shown in fig. 1, 2, 5 and 8, the food bag air valve comprises a valve seat 1 and a valve cover 2 arranged on the valve seat 1, wherein the bottom surface of the valve seat 1 is attached to a food bag, a deformable soft valve plate 3 is arranged between the valve seat 1 and the valve cover 2, a mounting table 4 protruding downwards is arranged on the valve seat 1, an air pumping cavity 5 is formed between the mounting table 4 and the valve cover 2, a first air pumping hole 6 is arranged in the center of the mounting table 4, a second air pumping hole 7 is arranged in the center of the valve cover 2, a convex column 8 capable of moving up and down is arranged at the lower end of the soft valve plate 3, and the convex column 8 is abutted to the first air pumping hole 6 and used for controlling the opening and closing of the first air pumping hole 6; the soft valve plate 3 is also provided with a through hole 9 for allowing air to pass through. When air is required to be pumped, the convex column 8 is moved upwards by deforming the soft valve plate 3, the first air pumping hole 6 is opened, and air in the food bag is pumped out through the first air pumping hole 6, the through hole 9 and the second air pumping hole 7 in sequence, so that a vacuum environment is created, and the freshness of food is prolonged. The food bag air valve has stable structure, the valve cover 2 and the soft valve plate 3 are not easy to fall off, and meanwhile, effective circulation of air can be ensured.
As shown in fig. 5 and 9, a first connecting ring 10 is provided on the bottom surface of the valve cover 2, and the first connecting ring 10 abuts against the side wall of the mounting table 4, so that the valve cover 2 is connected to the mounting table 4. The valve cover 2 can be firmly fixed on the mounting table 4 by the structure, so that the valve cover 2 is prevented from loosening or falling off in the use process, and the tightness of the air valve is ensured.
According to fig. 6 and 7, the edge of the soft valve plate 3 is provided with a second connecting ring 11 extending downwards, the mounting table 4 is provided with a third connecting ring 12, and the second connecting ring 11 is inserted between the first connecting ring 10 and the third connecting ring 12. By means of the structure, the components of the air valve can be firmly connected together to adapt to external pressure changes and ensure normal operation of the air valve, and stability and durability of the air valve can be improved.
The outer side of the first air suction hole 6 is provided with a fourth connecting ring 13, the fourth connecting ring 13 is abutted on the outer wall of the convex column 8, and the third connecting ring 12 is arranged between the fourth connecting ring 13 and the side wall of the mounting table 4, so that the soft valve plate 3 is firmly connected between the mounting table 4 and the valve cover 2, and displacement and deflection are not easy to generate.
The soft valve plate 3 comprises a convex ring 14 protruding downwards, the convex ring 14 is arranged between the third connecting ring 12 and the fourth connecting ring 13, and the through hole 9 is arranged on the convex ring 14. The convex ring 14 improves the deformation capability of the flexible valve plate 3, is easier to adapt to pressure change, and the through hole 9 on the convex ring 14 can effectively control the circulation of gas, thereby realizing the air extraction operation of the air valve.
The outer wall of the first connecting ring 10 is provided with a first convex rib 15, one side of the outer wall of the fourth connecting ring 13 is provided with a second convex rib 16, the upper end of the fourth connecting ring 13 is provided with a third convex rib 17, the soft valve plate 3 and the valve cover 2 are tightly matched through the third convex rib 17, and the lower end face of the second connecting ring 11 is abutted to the mounting table 4. The arrangement of the convex ribs can strengthen the tightness of the air valve and ensure that air cannot leak out of the gaps.
According to fig. 6 and 10, a fourth rib 18 and a fifth rib 19 are provided on the side wall of the first connecting ring 10, and the first rib 15 abuts between the fourth rib 18 and the fifth rib 19. Such a construction further ensures that the valve cover 2 does not fall off the valve seat 1, especially when subjected to external pressure.
The bottom surface of the mounting table 4 is provided with an air guide groove 20 for guiding air, and the air guide groove 20 can effectively control the air flow in the vacuum packaging process, so that the freshness of food is maintained.
The flexible valve sheet 3 is made of silica gel, and the material is generally elastic and durable, and can provide good sealing performance, so as to help maintain the vacuum environment inside the package.
When the embodiment is used, firstly, food is filled into the food bag, and the opening of the food bag is ensured to be in a sealed state. The gas valve is mounted at the opening of a food bag or container. It is ensured that the lower surface of the valve cover 2 is attached to the food bag, and the opening of the food bag is aligned with the first air suction hole 6. The air extraction equipment is connected to the second air extraction hole 7 to extract air outwards, the pressure at the upper end of the soft valve plate 3 is rapidly reduced at the moment to deform the soft valve plate, the convex column 8 on the soft valve plate 3 moves upwards to open the second air extraction hole 7, and air in the food bag is extracted through the first air extraction valve, the through hole 9 and the second air extraction valve in sequence. This process creates a near vacuum environment that removes gases from the interior of the package. Once the air extraction is completed, the pressure at the lower end of the soft valve plate 3 is far smaller than that at the upper end, so that the convex column 8 on the soft valve plate 3 moves downwards and is abutted on the first extraction valve to be closed, external air is prevented from entering, and the first convex rib 15 on the valve cover 2 is abutted between the fourth convex rib 18 and the fifth convex rib 19, so that the valve cover cannot be loosened due to the influence of pressure.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
The beneficial effects brought by the utility model are as follows:
The novel food bag has good sealing performance, can adapt to pressure change, can prevent external air from entering the food bag, and is beneficial to prolonging the quality guarantee period of food and keeping the freshness of the food.
The novel stable in structure of use, each subassembly closely links to each other through multiple protruding muscle and go-between, is difficult for receiving external pressure to influence and become flexible or drop.
The novel food packaging machine is easy to use, can be matched with various food packaging equipment for use, and has wide applicability.
Claims (10)
1. The utility model provides a food bag pneumatic valve, includes the disk seat and establishes the valve gap on the disk seat, be equipped with flexible soft valve block, its characterized in that between disk seat and the valve gap: the valve seat is provided with a mounting table protruding downwards, an air pumping cavity is formed between the mounting table and the valve cover, a first air pumping hole is formed in the center of the mounting table, a second air pumping hole is formed in the center of the valve cover, the lower end of the soft valve plate is provided with a convex column capable of moving up and down, and the convex column is abutted to the first air pumping hole and used for controlling the opening and closing of the first air pumping hole; the soft valve plate is also provided with a through hole for allowing air to pass through.
2. A food bag air valve as defined in claim 1 wherein: the valve cover is characterized in that a first connecting ring is arranged on the bottom surface of the valve cover and is abutted to the side wall of the mounting table, so that the valve cover is connected to the mounting table.
3. A food bag air valve as defined in claim 2 wherein: the soft valve plate edge is equipped with the second go-between of downwardly extending, be equipped with the third go-between on the mount table, the second go-between is pegged graft between first go-between and third go-between.
4. A food bag air valve according to claim 3, wherein: the outer side of the first air extraction hole is provided with a fourth connecting ring, the fourth connecting ring is abutted to the outer wall of the convex column, and the third connecting ring is arranged between the fourth connecting ring and the side wall of the mounting table.
5. A food bag air valve as defined in claim 4 wherein: the soft valve plate comprises a convex ring which protrudes downwards, the convex ring is arranged between the third connecting ring and the fourth connecting ring, and the through hole is formed in the convex ring.
6. A food bag air valve as defined in claim 2 wherein: the outer wall of the first connecting ring is provided with a first convex rib.
7. A food bag air valve as defined in claim 4 wherein: the novel valve is characterized in that a second convex rib is arranged on one side of the outer wall of the fourth connecting ring, a third convex rib is arranged at the upper end of the fourth connecting ring, the soft valve plate is tightly matched with the valve cover through the third convex rib, and the lower end face of the second connecting ring is abutted to the mounting table.
8. A food bag air valve as defined in claim 6 wherein: the side wall of the first connecting ring is provided with a fourth convex rib and a fifth convex rib, and the first convex rib is abutted between the fourth convex rib and the fifth convex rib.
9. A food bag air valve as defined in claim 1 wherein: the bottom surface of the mounting table is provided with an air guide groove for guiding air.
10. A food bag air valve as defined in claim 1 wherein: the soft valve plate is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542777.8U CN220997494U (en) | 2023-09-19 | 2023-09-19 | Food bag air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322542777.8U CN220997494U (en) | 2023-09-19 | 2023-09-19 | Food bag air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220997494U true CN220997494U (en) | 2024-05-24 |
Family
ID=91088949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322542777.8U Active CN220997494U (en) | 2023-09-19 | 2023-09-19 | Food bag air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220997494U (en) |
-
2023
- 2023-09-19 CN CN202322542777.8U patent/CN220997494U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |